package sctu.edu.java.year2016.team07.nieying.practice.dibazhang.nianxiyi;

/**
 * Created by Administrator on 2016/5/25 0025.
 */

    public interface Calrect {

        public abstract int calarea();
        public abstract int calgirth();
        public abstract int getx();
        public abstract int gety();
    }

